Construction Truck Balloons& Bulldozer Dump Truck Balloons for birthday party construction truck themed party Baby Shower SPECIFICATION: -Package& Size: 3* Construction Truck Balloons ( 26*20.9 Inch/) 3* Bulldozer Dump Truck Balloons( 32.3*27.2 Inch/) 1* Inflating straw -Material: High-quality and dual-layer aluminum film -Color: As the picture shown NOTE: -- Stop inflating the balloon if 2 aluminum foil layers stick together. -- Keep the balloons away from sharp objects dirty ground direct sunlight and press from heavy objects. -- Blow air into balloons in winter and release in summer as thermal expansion and contraction.